Many chemicals can be obtained from commercial suppliers or stolen from soft targets such as storage areas and transfer points. This describes the of chemical or other agents.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

When scientists are ready to publish the results of their experimentation, why is it important for them to include a description of the procedures they used?

What is the mass in grams of 12.26 ml of acetone